Water cock



Dec. 29, 1925l H. WEBER WATER COCK Filed May 5 1925 Patenaalnec. 29, 1925.

= UNITED STATES' PATENT OFFICE.

HEINRICH WEBER, or EEUEnEAcH-STUTTGART, GERMANY.

. 'WATER coox.

Application led Hay 5, 1925. Serial No. 28,128.

. To all whom. 'it/may conca/'11.:a

Be it-known that I, HEINRICH WEBER, a citizen of Germany, residing at Feuerbach- Stuttgart, Wurttemberg, Germany, have invented certain new and useful Improve-- ments in Water Cocks, o f which the following is a specication. f

The present invention relates to water cocks for waterpipes of the kind in which a closing member is forced into the closingl position by an outlet nozzle adapted to engage with the outletO branch of the cock by means of a screw thread. Inrocks of the aforesaid kind there is an ever present danger of water leaking from the cockespecially in high pressure pipes, the said leakage water rising between the screw threads so that there is a continuous or almost constant drip from the tap, frequently resultinoP in a.

deposit between the screw threads an con sequently rendering the cocks more or less useless. y The present invention avoids these disadvantagesin that the invention provides for a compulsory or forcible eonservationof the leakage water. The device consists 1n that the issuing water produces a suction action and that the cut-ofil member through which the water flows is provided externally with conical or tapered portions which in common with a reduced portion on the outlet nozzle form suction passagesV through which leakage water is sucked' up. This suction act-ion once produced causes the leakage water to be discharged in am inclinedV direction into the outflowing Water. This jet exerts a suction action which withdraws the whole of the leakage water and vprevents any rise ofthe -same between the screw threads. The outlet opening of the cut-offmember is for thisy purpose somewhat 'less than the outlet opening of the outlet nozzl so as to increase the suctionaction.

A further advantage of the cock according tothe present invention consists in that the cut-oil' member is formed simultaneously as a jet regulator and for this purpose. is pro vided with passages for the through-Way passage ofthe water, the said paa es being disposed parallel to the axis of te outlet branch, the said passages being arranged and distributedl round the upper portion of the cut-off member.

The cock isv provided withv 'a further cutoff valve which is supportedon the cut-olf member and `is retained in the position by theV said cut-olf member as long as the screw threaded casing is engaged with mostI of the corresponding screw threaded branch of the cock. Just before removal of the same the cut-off valve is forced onto its seat 'by the pressure of the water so that no Water can issue from the cock.

In order that the invention may be clearly understood and readily carried into effect, reference is made to the accompanying drawing which shows by way of example a constructional form in accordance with the present invention.

Figure l shows a cock in side elevation provided with, the improvements in accordance with the present invention. Figure 2 is a sectional view. Figure 3 is a cross section. Figure 4 is a perspective view showing the cut-off member.

Figure 5 is an axial section through the outlet nozzle.

' Figure 6 is a sectional diagram in order on the interior of the nozzle d. The closing member e (see Figure 4) is provided at the top with a packing disc g which in the closing position is forced against a face z. provided in the interior of the branch c which,

face forms a valve seat. v The member c fits the' bore of the branch o while the packing 'disc g is smaller than the saidbore so that the water can flow past the packing The disc g' lies a ainst the disc or plate i which. is mounte on a spindle ,7c and is spaced a suitable distance apart from the member e so as to leave a suitable spacel between the said plate and the upperface of the member e.

The upper part of the member eis provided with through-,way passages Z dis osed arallel to the axis of the spindle k, t e sai passages being'of comparatively small diameter and distributed round the face of the upper disc g.

d is screwed' portion ofthe member e. The passages Z debouch into a space m below the upper portion ofthe member e whose outlet opening 1s Asmaller than the opening of the reducing nozzle d disposed thereunder.

The member e is further provided on its exterior with a conicalfor tapered surface n tween the body e and the support c is forcibly sucked up. The passages Z act as jet regulators. v

' In order to prevent the outflow of water when the nozzle d is fully unscrewed, a second cut-off member p is provided. This is supported on the top of the member e by means of a pointed end g and is guided by means of a projection or-projections 1 in the upper bore of the branch o. When the valve p falls suiciently as in unscrewing the nozzle d, its conical portion s then rests on a correspondingly formed conical recess t 1n the branch c. 1

What I claim is 1. A water-cock comprising in combination a vwater-su ply branch pipe, a water dischargeibranc pipe, interconnected with the water-supply branch pipe, a nozzle ada ted for connection with the. said water disc arge branch and a member disposed in the interior o f the water dischar e branch pipe and adapted to co-operate wit the bore of the discharge nozzle to create a suction eifect `in order t9 prevent leakagel of water` from the cock when in use;

2. A water cock comprising, a discharge branch pi e; acut-oi member in said pipe, said -mem er comprising a pluralityof passages for the water, an mterru ted flange at the lower2 end, and a packing isc at'the upper end; and a discharge nozzle adapted for connection to the branc pipe and adapted to actuate said member by means of said iange.

*3. A water-cock comprising a discharge '-branch pipe, a cut-'olfvalve .inthe bore thereof, achamber below the said'bore and a cut-offv member in the said chamber adapted tov .co-operate' with vthe bore of a discharge memes nozzle` connected with the discharge branch l pipe so as to create asuction 'effect andv'plevent leakage of water'when the cock is in use. y y

4. A water-cock comprising a water-dis.- charge nozzle, and a water-cut-oi member adapted to co-operate with the interior of v I' comprising a cut-off i a ,discharger delivery pipe, a cut-odi member disposed in said pipe and having a cylindrical upper portion and an externally conical lower portion adapted to co-operate with a corre- \sponding y shaped internal part of the discharge nozzle to' prevent the leakage of water from the cock when normallyin use.

7. A water-cock comprising a cylindroyconical cut-o member, a valve provided at the upper end thereof and spaced apart from the upper ortion of the cylindro-conical member an l rigidi connected therewith, a valveseat provide in the bore of a branch deliverypipe in which the said member isv Vdisposed and means to axially displace the cut-off` member whereby to control the iow of water' from the cock. J

8. A water-cock comprising a cut-0E valve, avent-olf member ha a hollow interior `and disposed in axial alignment with the cut-0E valve and in the bore of 'a waterdischarge pipe common to both the said valve and cut-off member, a partition dis. osed at the upper end of the cut-off memer and having through-way passages communicating with the interior of the cut-off 'member and means to eiect axial displacementA of the cut-0E member in order to displace the cut-off valve.

In testimony whereof I aiix my si ature.

HEINRICH WE vER. 

